#3379B1#3379B1

#3379B1 is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.8% C 0.112 H 245.9°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#3379B1
RGB	rgb(51, 121, 177)
HSL	hsl(207, 55%, 45%)
HSV	hsv(207, 71%, 69%)
CMYK	cmyk(71.2%, 31.6%, 0%, 30.6%)
CIE-LAB	lab(48.95, -3.09, -36.02)
CIE-LCH	lch(48.95, 36.16, 265.10°)
OKLab	oklab(55.79% -0.0456 -0.102)
OKLCH	oklch(55.79% 0.112 245.9)
XYZ	xyz(16.1354, 17.5511, 44.1238)
Luminance	0.1755 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3379B1 #B16B33

analogous

#33B1AA #3379B1 #333AB1

triadic

#3379B1 #B13379 #79B133

tetradic

#3379B1 #AA33B1 #B16B33 #3AB133

square

#3379B1 #AA33B1 #B16B33 #3AB133

split-complementary

#3379B1 #B1333A #B1AA33

monochromatic

#183852 #255981 #3379B1 #5497CE #83B4DB

Accessibility & contrast

On white

4.66

#3379B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#3379B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3379B1

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3379B1	#FFFFFF	#000000	##FFFFFF
##3379B1	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#607BB3

Deuteranopia (green-blind)

#4E6FB0

Tritanopia (blue-blind)

#00868D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3379b1;
/* rgb */ color: rgb(51, 121, 177);
/* oklch */ color: oklch(55.8% 0.112 245.9);

Tailwind

colors: {
  custom: {
    50: '#7a9fc8',
    500: '#3379b1',
    950: '#000000',
  },
}

SCSS

$custom: #3379b1;
$custom-light: #7a9fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#3379b1",
  "rgb": {
    "r": 51,
    "g": 121,
    "b": 177
  },
  "hsl": {
    "h": 206.667,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.55785,
    "c": 0.11171,
    "h": 245.9
  },
  "luminance": 0.17553
}

Semantic roles & 50–950 ramp

primary

#3379B1

secondary

#C59C7B

accent

#8C49DF

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3379B1

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →